This fully assembled and NiB coated (5.56/.223) bolt assembly is compatible with most mil spec AR-15, M16, M4 Carriers. EXO Nickel Boron provides permanent dry lubricity, increased wear and corrosion resistance. By reducing friction this bolt assembly will make for easy cleanup and improve the performance of your rifle.

Features:

Nickel boron treated
Extreme durability
Dry lubricity
Corrosion resistant

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All NFA Rules Apply

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.